action.yml

name: 'Podman Build & Push (GCR)'
description: 'Build and Push action for Google Container Registry'

branding:
  icon: "upload-cloud"
  color: "blue"

inputs:
  host:  # id of input
    description: "registry host"
    required: false 
    default: "gcr.io"
  auth_type:
    description: "Authentication type ( _json_key / 0auth2accesstoken )"
    required: false
    default: "jsonkey"
  project_id:
    description: "project id"
    required: true
  access_token:
    description: "access token or json key"
    required: true
  image_id: 
    description: "image tag name" 
    required: true

runs:
  using: "composite"
  steps:
    - name:
      if: inputs.auth_type == 'jsonkey'
      run: echo ${{ inputs.access_token }} | base64 -d | podman login -u _json_key --password-stdin ${{ inputs.host }}
      shell: bash

    - name: Google Container Registry Authorization
      if: inputs.auth_type == 'oauth2'
      run: echo ${{ inputs.access_token }} | podman login -u oauth2accesstoken --password-stdin ${{ inputs.host }}
      shell: bash

    - name: Build the image 
      run: podman build . -t ${{ inputs.image_id }}
      shell: bash

    - name: Push the image to the Container Registry
      run: podman push ${{ inputs.image_id }} ${{ inputs.host }}/${{ inputs.project_id }}/${{ inputs.image_id }}
      shell: bash